Dataset Information

TMT-Based Quantitative Proteomic Analysis Reveals the Crucial Biological Pathways Involved in Brain Injury Induced by Chest Exposure to Shock Waves

ABSTRACT: Long term chest blast exposure can lead to mental disorders, brain inflammation and oxidative stress in soldiers. However, the underlying mechanism of brain injury caused indirectly by chest blast remains unclear. It is urgent to find additional reliable biomarkers to reveal the intimate details of the pathogenesis of this phenomenon. We used iTRAQ labeling combined with LC-MS/MS to screen potential differentially expressed proteins in rat brain after chest blast at different time points. Meanwhile, we also used GO, KEGG, David and Cytoscape to analyze the proteomic profile and explore its pathogenesis. Moreover, Western blotting was used to verify the target proteins. Our data showed that, a total of 6,931 proteins were identified. A total of 255 differentially expressed proteins were identified, of which 43, 84, 52, 97 and 49 proteins were identified from brain tissues at 12h, 24h, 48h, 72h, and 1w after chest blast exposure, respectively. Bioinformatics analysis, including GO, COG, KEGG and STRING, further proved that brain damage caused by chest blast exposure affects many important biological processes and signal pathways, such as inflammation, cell adhesion, phagocytosis, neuronal and synaptic damage, oxidative stress and apoptosis. Moreover, Western blotting further confirmed that these differentially expressed proteins and signaling pathways were associated with brain damage caused by chest blast exposure. For the first time, we screened and verified the potential protein biomarkers of brain damage caused indirectly by chest blast, and provided a new target for the treatment of this disease.

INSTRUMENT(S): Q Exactive Plus

ORGANISM(S): Rattus Norvegicus (rat)

TISSUE(S): Brain

SUBMITTER: Changci Tong

LAB HEAD: Yunen Liu

PROVIDER: PXD026015 | Pride | 2022-02-17

REPOSITORIES: Pride

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Tandem Mass Tag-Based Quantitative Proteomic Analysis Reveals Pathways Involved in Brain Injury Induced by Chest Exposure to Shock Waves.

Tong Changci C Cong Peifang P Liu Ying Y Shi Xiuyun X Shi Lin L Mao Shun S Zhao Yan Y Hou Mingxiao M Liu Yunen Y

Frontiers in molecular neuroscience 20210923

Recurrent chest blast exposure can lead to brain inflammation, oxidative stress, and mental disorders in soldiers. However, the mechanism that underlies brain injury caused indirectly by chest blasts remains unclear. It is urgent to find additional reliable biomarkers to reveal the intimate details of the pathogenesis of this phenomenon. We used the term tandem mass tag (TMT) labeling combined with liquid chromatography-tandem mass spectrometry (LC-MS/MS) to screen for differentially expressed p ...[more]

PMID: 34630032

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